Lenovo ThinkPad T400s 2823 Hardware Maintenance Manual page 129

Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (continued)
When installing:
v Before you attach the fan assembly to the computer, apply thermal grease, at
an amount of 0.2 grams, on the part marked a as in the following figure.
Either too much or too less application of grease can cause a thermal problem
due to imperfect contact with a component. You need to peel the thin film off
from the rubber b .
v Make sure that the fan connector is attached firmly.
9
Step Screw (quantity)
M2 × 3 mm, small−head, nylon-coated (1)
8
M2 × 5 mm, flat−head, nylon-coated (2)
9
a
8
9
b
Color Torque
Silver 0.167 Nm
(1.7 kgfcm)
Black 0.167 Nm
(1.7 kgfcm)
Removing and replacing a FRU
121